gcm = Pushnotification::forge('gcm');
$gcm->set_message('Test message '.date('d.m.Y H:i:s'));

$gcm->add_recepient('ID');
// $gcm->set_recepients($array); // you can also use an array (up to 1000 devices per send)

// set additional data
$gcm->set_data(array(
	'some_key' => 'some_val'
));

// also you can add time to live
//    $gcm->set_ttl(500);
// and unset in further
$gcm->set_ttl(false);

// set group for messages if needed
//    $gcm->set_group('Test');
// or set to default
$gcm->set_group(false);

// then send
if ($gcm->send())
	echo 'Success for all messages ';
else
	echo 'Some messages have errors ';

// and see responses for more info
print_r($gcm->status);
print_r($gcm->messages_statuses);



$apns = Pushnotification::forge('apns');
//$apns->payload_method = 'enhance'; // you can turn on this method for debuggin purpose
$apns->payload_method = 'simple';
$apns->connect_to_push();
	
// adding custom variables to the notification
$apns->set_data(array( 'someKey' => true ));
	
$device_token = "";
	
$send_result = $apns->send_message($device_token, 'Test notif #1 (TIME:'.date('H:i:s').')', 0, 'default'  );
		
if($send_result)
	echo "apns send successful";
else
	echo $apns->error;
	
$apns->disconnect_push();

+ \GcmConfigError, thrown when the configuration for GCM service is invalid
+ \ApnsConfigError, thrown when the configuration for APNS service is invalid